The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2007
Filed:
Apr. 01, 2004
Applicants:
Béatrice Boussand, Sainte Foy les Lyon, FR;
Eric Jorda, Lyons, FR;
Inventors:
Béatrice Boussand, Sainte Foy les Lyon, FR;
Eric Jorda, Lyons, FR;
Assignee:
Atofina, Puteaux, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 17/20 (2006.01); C07C 17/093 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for preparing 1,1,1-trifluoro-2,2-dichloroethane (F123). This process consists in placing 1,1,1-trifluoro-2-chloroethane (F133) in contact with chlorine in the presence of hydrogen fluoride and a fluorination catalyst. F133may be obtained by fluorination of trichloroethylene, and the F123 may be subsequently fluorinated to F125.